Carl Wellman is Hortense and Tobias Lewin Distinguished University Professor in the Humanities at Washington University of St. Louis. He teaches and does research in ethics and philosophy of law. His current philosophical investigations are in general theory of rights, both legal and moral. Previous books include The Language of Ethics,Challenge and Response,Welfare Rights,A Theory of Rights, and An Approach to Rights.

• Some Critical Questions -- The Development of Human Rights -- New Civil Rights -- Women's Rights and Feminist Theory -- Animal Rights and Environmental Ethics -- New Medical Rights -- An Appraisal